Diamond shaped A/C and heater bulkhead fitting. The bulkhead fitting is great for running A/C and heater hoses through the firewall. The fittings on the bulkhead are standard A/C fittings: one #6 5/8″-18 and three #10 7/8″-14. Straight, 45 and 90 degree heater hose adapter fittings are available on our site, click here. The bulkhead can be polished or chrome plated with little effort.
The bulkhead measurse: 4-3/8″ x 3-7/16″
Fittings are not included